EP1346966A3 - Piezoelectric ceramic composition, its production method and piezoelectric device - Google Patents

Piezoelectric ceramic composition, its production method and piezoelectric device Download PDF

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Publication number
EP1346966A3
EP1346966A3 EP03006066A EP03006066A EP1346966A3 EP 1346966 A3 EP1346966 A3 EP 1346966A3 EP 03006066 A EP03006066 A EP 03006066A EP 03006066 A EP03006066 A EP 03006066A EP 1346966 A3 EP1346966 A3 EP 1346966A3
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EP
European Patent Office
Prior art keywords
piezoelectric
ceramic composition
piezoelectric ceramic
composition
production method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03006066A
Other languages
German (de)
French (fr)
Other versions
EP1346966B1 (en
EP1346966A2 (en
Inventor
Tatsuhiko c/o Denso Corporation Nonoyama
Toshiatsu c/o Denso Corporation Nagaya
Yasuyoshi c/o K.K. Toyota Chuo Kenkyusho Saito
Kazumasa c/o K.K. Toyota Chuo Kenkyusho Takatori
Hisaaki c/o K.K. Toyota Chuo Kenkyusho Takao
Takahiko c/o K.K. Toyota Chuo Kenkyusho Homma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
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Filing date
Publication date
Priority claimed from JP2003026198A external-priority patent/JP4616544B2/en
Priority claimed from JP2003026199A external-priority patent/JP4598176B2/en
Application filed by Denso Corp filed Critical Denso Corp
Priority to EP08155445A priority Critical patent/EP1947071B1/en
Publication of EP1346966A2 publication Critical patent/EP1346966A2/en
Publication of EP1346966A3 publication Critical patent/EP1346966A3/en
Application granted granted Critical
Publication of EP1346966B1 publication Critical patent/EP1346966B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/495—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/85—Piezoelectric or electrostrictive active materials
    • H10N30/853—Ceramic compositions

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

This invention provides a piezoelectric ceramic composition that does not contain lead, can be sintered at a normal pressure and has a high electro-mechanical coupling coefficient and a small dielectric loss, its production method, and a piezoelectric device utilizing the piezoelectric ceramic composition. The invention relates to a piezoelectric composition containing a compound expressed by the general formula {Lix(K1-yNay)1 -x}(Nb1-zTaz}O3, each of x, y and z respectively falling within composition range of 0 ≦ x ≦ 0.2, 0 ≦ y ≦ 1.0 and 0 ≦ z ≦ 0.4, as its main component, and further containing nickel or a nickel-containing compound. To provide a piezoelectric device that does not contain lead, can be sintered at a normal pressure and has a high electro-mechanical coupling coefficient Kp and a small dielectric loss, the piezoelectric ceramic composition of the invention is expressed by the general formula {Lix(K1 -yNay)1-x}(Nb1-z-nTaz(Mn0.5W0.5)nO3, each of x, y, z and n respectively falling within a composition range of 0 ≦ x ≦ 0.2, 0 ≦ y ≦ 1.0, 0 ≦ z ≦ 0.4 and 0 < n ≦ 0.1.
EP03006066A 2002-03-20 2003-03-19 Piezoelectric ceramic composition, its production method and piezoelectric device Expired - Lifetime EP1346966B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08155445A EP1947071B1 (en) 2002-03-20 2003-03-19 Piezoelectric ceramic composition, its production method and piezoelectric device

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2002077592 2002-03-20
JP2002077591 2002-03-20
JP2002077591 2002-03-20
JP2002077592 2002-03-20
JP2003026198A JP4616544B2 (en) 2002-03-20 2003-02-03 Piezoelectric ceramic composition, production method thereof, and piezoelectric element
JP2003026199A JP4598176B2 (en) 2002-03-20 2003-02-03 Piezoelectric ceramic composition, method for producing the same, and piezoelectric element
JP2003026198 2003-02-03
JP2003026199 2003-02-03

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP08155445A Division EP1947071B1 (en) 2002-03-20 2003-03-19 Piezoelectric ceramic composition, its production method and piezoelectric device

Publications (3)

Publication Number Publication Date
EP1346966A2 EP1346966A2 (en) 2003-09-24
EP1346966A3 true EP1346966A3 (en) 2004-12-01
EP1346966B1 EP1346966B1 (en) 2008-09-24

Family

ID=27792243

Family Applications (2)

Application Number Title Priority Date Filing Date
EP03006066A Expired - Lifetime EP1346966B1 (en) 2002-03-20 2003-03-19 Piezoelectric ceramic composition, its production method and piezoelectric device
EP08155445A Expired - Lifetime EP1947071B1 (en) 2002-03-20 2003-03-19 Piezoelectric ceramic composition, its production method and piezoelectric device

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP08155445A Expired - Lifetime EP1947071B1 (en) 2002-03-20 2003-03-19 Piezoelectric ceramic composition, its production method and piezoelectric device

Country Status (3)

Country Link
US (1) US7150838B2 (en)
EP (2) EP1346966B1 (en)
DE (1) DE60323704D1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1346966B1 (en) 2002-03-20 2008-09-24 Denso Corporation Piezoelectric ceramic composition, its production method and piezoelectric device
JP4926389B2 (en) * 2004-06-17 2012-05-09 株式会社豊田中央研究所 Crystal-oriented ceramics and method for producing the same
US7477004B2 (en) * 2004-09-29 2009-01-13 Ngk Insulators, Ltd. Piezoelectric/electrostrictive porcelain composition, piezoelectric/electrostrictive article, and piezoelectric/electrostrictive film type element
JP4541985B2 (en) * 2004-10-29 2010-09-08 株式会社デンソー Method for producing polycrystal
JP4943043B2 (en) * 2006-03-31 2012-05-30 富士フイルム株式会社 Method for manufacturing piezoelectric ceramics
US8022604B2 (en) * 2007-10-19 2011-09-20 Ngk Insulators, Ltd. (Li, Na, K)(Nb, Ta)O3 type piezoelectric/electrostrictive ceramic composition containing 30-50 mol% Ta and piezoelectric/electrorestrictive device containing the same
DE102008042955A1 (en) * 2007-11-08 2009-05-14 Denso Corp., Kariya-shi Method for producing a ceramic with crystal orientation
CN105555736B (en) * 2013-08-07 2018-01-16 Pi陶瓷有限责任公司 The piezoceramic material of lead content with reduction
RU2561439C2 (en) * 2014-01-09 2015-08-27 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "ЮЖНЫЙ ФЕДЕРАЛЬНЫЙ УНИВЕРСИТЕТ" Piezoelectric ceramic material
CN110128139A (en) * 2019-06-19 2019-08-16 哈尔滨理工大学 A kind of KNN base ceramics and preparation method thereof with high-voltage electricity and high ferroelectric properties
CN112250440B (en) * 2020-10-23 2022-11-01 陕西天璇涂层科技有限公司 Method for preparing low-thermal-conductivity high-temperature thermal-barrier ceramic CaWTa2O9 by solid-phase method
CN116606141B (en) * 2023-05-25 2024-10-15 电子科技大学 High-dielectric high-positive temperature coefficient microwave dielectric ceramic material and preparation method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933907A (en) * 1972-07-28 1974-03-28
JPS4956198A (en) * 1972-09-30 1974-05-31
JPS5110398A (en) * 1974-07-15 1976-01-27 Taiyo Yuden Kk
JPS5555589A (en) * 1979-08-02 1980-04-23 Nec Corp Piezo-electric porcelain
JPS56120180A (en) * 1981-02-12 1981-09-21 Nec Corp Piezoelectric porcelain
JPS5988322A (en) * 1982-11-12 1984-05-22 Agency Of Ind Science & Technol Defective lithium tantalate type ferroelectric composition
JPH0782024A (en) * 1993-09-08 1995-03-28 Murata Mfg Co Ltd Piezoelectric ceramic composition
EP1032057A1 (en) * 1999-02-24 2000-08-30 Kabushiki Kaisha Toyota Chuo Kenkyusho Alkali metal-containing niobate-based piezoelectric material composition and a method for producing the same
JP2001151573A (en) * 1999-11-26 2001-06-05 Kyocera Corp Piezoelectric ceramic composition

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3142014B2 (en) 1991-09-19 2001-03-07 株式会社村田製作所 Manufacturing method of multilayer ceramic capacitor
JP2001316182A (en) 2000-04-28 2001-11-13 Kyocera Corp Piezoelectric ceramic and piezoelectric resonator
JP2001342065A (en) 2000-05-30 2001-12-11 Matsushita Electric Ind Co Ltd Piezoelectric ceramic composition
JP4929522B2 (en) 2000-08-25 2012-05-09 株式会社豊田中央研究所 Piezoelectric ceramic composition
JP5000817B2 (en) 2001-08-16 2012-08-15 株式会社豊田中央研究所 Piezoelectric ceramic composition, method for producing the same, and piezoelectric element
JP4616544B2 (en) 2002-03-20 2011-01-19 株式会社豊田中央研究所 Piezoelectric ceramic composition, production method thereof, and piezoelectric element
JP4598176B2 (en) 2002-03-20 2010-12-15 株式会社豊田中央研究所 Piezoelectric ceramic composition, method for producing the same, and piezoelectric element
EP1346966B1 (en) 2002-03-20 2008-09-24 Denso Corporation Piezoelectric ceramic composition, its production method and piezoelectric device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933907A (en) * 1972-07-28 1974-03-28
JPS4956198A (en) * 1972-09-30 1974-05-31
JPS5110398A (en) * 1974-07-15 1976-01-27 Taiyo Yuden Kk
JPS5555589A (en) * 1979-08-02 1980-04-23 Nec Corp Piezo-electric porcelain
JPS56120180A (en) * 1981-02-12 1981-09-21 Nec Corp Piezoelectric porcelain
JPS5988322A (en) * 1982-11-12 1984-05-22 Agency Of Ind Science & Technol Defective lithium tantalate type ferroelectric composition
JPH0782024A (en) * 1993-09-08 1995-03-28 Murata Mfg Co Ltd Piezoelectric ceramic composition
EP1032057A1 (en) * 1999-02-24 2000-08-30 Kabushiki Kaisha Toyota Chuo Kenkyusho Alkali metal-containing niobate-based piezoelectric material composition and a method for producing the same
JP2001151573A (en) * 1999-11-26 2001-06-05 Kyocera Corp Piezoelectric ceramic composition

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 197501, Derwent World Patents Index; Class L03, AN 1975-00470W, XP002298165 *
DATABASE WPI Section Ch Week 197611, Derwent World Patents Index; Class L03, AN 1976-19473X, XP002298164 *
DATABASE WPI Section Ch Week 197623, Derwent World Patents Index; Class L02, AN 1976-42485X, XP002289732 *
PATENT ABSTRACTS OF JAPAN vol. 004, no. 087 (E - 016) 21 June 1980 (1980-06-21) *
PATENT ABSTRACTS OF JAPAN vol. 005, no. 198 (E - 087) 16 December 1981 (1981-12-16) *
PATENT ABSTRACTS OF JAPAN vol. 008, no. 193 (C - 241) 5 September 1984 (1984-09-05) *
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 06 31 July 1995 (1995-07-31) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 23 10 February 2001 (2001-02-10) *

Also Published As

Publication number Publication date
US20030178606A1 (en) 2003-09-25
EP1346966B1 (en) 2008-09-24
EP1947071A1 (en) 2008-07-23
US7150838B2 (en) 2006-12-19
EP1346966A2 (en) 2003-09-24
EP1947071B1 (en) 2012-10-24
DE60323704D1 (en) 2008-11-06

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